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Finding the Fourth Proportional to 570,354.32, 855,236.64 and 250,375.16

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Solution

The fourth proportional to 570,354.32, 855,236.64 and 250,375.16 is: 375,433.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,354.32 : 855,236.64 = 250,375.16 : x
  2. Step 2: Convert to fraction form
    570,354.32/855,236.64 = 250,375.16/x
  3. Step 3: Cross multiply
    570,354.32x = 855,236.64 × 250,375.16
  4. Step 4: Simplify right side
    570,354.32x = 214,130,010,577.86
  5. Step 5: Solve for x
    x = 214,130,010,577.86/570,354.32
  6. Step 6: Final answer
    x = 375,433.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.